They want you to tweet them. After all that is the preferred communication system of the founder of Square since he is the founder of twitter.
Visa has tossed its weight behind square with an undetermined about of seed money.
Yes not having a phone number for customer care is scary, but some folks still expect a business to still have a fax number.
You do get what you pay for perhaps, and what can you expect for free to get started. I'm on a tight budget and can't afford to pay for a reader, or monthly or annual fees some others are charging.
And if by real world you mean a brick and mortar store, perhaps. But for the guy selling at a craft show or farmers market, or just trying to offload a couch on craigslist square is a great way to go.
But some of the new features they are offering for using an I-Pad as a cash register complete with DIY product entry are really cool.
They have also introduced Card Chase. Now for places like a coffee shop with repeat customers, they can pay without there wallet, just their smart phone after there second visit to that establishment.
https://squareup.com/cardcase